Enforce fstream handle

[dreamer-coding]

Fossil XSDK Pull Request

Description

Updating input functions to use the Fossil file stream handler. Additionally added new check point for valid email providers.

Testing

Updated test cases to use Fossil file stream handler vs the classic file handler.

Checklist

• Code follows the project's coding standards.
• Tests have been added or updated to cover the changes.
• Documentation has been updated to reflect the changes.
• The code has been reviewed by team members.
• All checks and tests pass.
• The license header and notices are updated where necessary.

License

This project is licensed under the Mozilla Public License - see the LICENSE file for details.